His articles have appeared in the Los Angeles Times, San Antonio Express-News, and the New York Times.[2] As an executive producer he has over forty broadcast documentaries on culture, religion, politics and spirituality for CBS News and PBS, some of which have been nominated for Emmys.[2] As a director he has been involved in program development for Thirteen/WNET in New York City.[2]

Santos was an Emmy nominee in 1988 for From the AIDS Experience: Part I, Our Spirits to Heal/ Part II, Our Humanity to Heal, and in 1985 for Exiles Who Never Leave Home.[5] He has an MA English Literature and Language from St. Catherine's College at Oxford University and a BA in Philosophy and Literature from the University of Notre Dame.[1][5]

Between August 7 and August 18, 2006, Texas Public Radio (KSTX 89.1 FM) broadcast Santos reading from his family memoir Places Left Unfinished at the Time of Creation.[6]

The University of Texas at San Antonio houses a collection of Santos' personal papers including research notebooks, edited manuscripts (drafts for publication), reviews, clippings, and audiovisual materials including video tapes and sound recordings. A small about of personal materials are present, including travel diaries, a large postcard collection, notebooks, family films made by Santos in high school, and early journals. Additionally, the collection includes artwork (drawings, sketches, and audio art pieces), copies of speeches and informal talks, and electronic media (computer files).